Hi: Thanks for your reply. Then for my case,the named query is also get from class file at runtime? Best Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3979029#3979029 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3979029